/*
 * Copyright 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.paging

import kotlinx.coroutines.CoroutineDispatcher

/**
 * Utility class to convert the paging source factory to a suspend one.
 *
 * This is internal because it is only necessary for the legacy paging source implementation where
 * the data source must be created on the given thread pool for API guarantees. see: b/173029013
 * see: b/168061354
 */
internal expect class SuspendingPagingSourceFactory<Key : Any, Value : Any>(
    dispatcher: CoroutineDispatcher,
    delegate: () -> PagingSource<Key, Value>,
) {
    suspend fun create(): PagingSource<Key, Value>

    fun invoke(): PagingSource<Key, Value>
}
